Home / 11,541.61-17,315.33-3,221.62

Finding the Fourth Proportional to 11,541.61, 17,315.33 and 3,221.62

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Solution

The fourth proportional to 11,541.61, 17,315.33 and 3,221.62 is: 4,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.61 : 17,315.33 = 3,221.62 : x
  2. Step 2: Convert to fraction form
    11,541.61/17,315.33 = 3,221.62/x
  3. Step 3: Cross multiply
    11,541.61x = 17,315.33 × 3,221.62
  4. Step 4: Simplify right side
    11,541.61x = 55,783,413.43
  5. Step 5: Solve for x
    x = 55,783,413.43/11,541.61
  6. Step 6: Final answer
    x = 4,833.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.